California Code of Regulations
Title 23 - Waters
Division 3 - State Water Resources Control Board and Regional Water Quality Control Boards
Chapter 9.1 - Enforcement Procedures
Article 1 - Cease and Desist Orders
Section 2245 - Immediate Corrective Measures

(a) Each discharger should be expected to construct emergency facilities or modify existing plant operation to achieve rapid compliance.

(b) Emergency facilities which should be constructed immediately include chemical treatment, additional disinfection, ponding with or without aeration, receiving water mixing, aeration, and any other steps which can be immediately implemented.

(c) Extra cost of such facilities is not a reasonable excuse for failure to construct them.

(d) If necessary emergency facilities are not immediately provided, the board should consider further action against the discharger.